16052401 has 4 divisors (see below), whose sum is σ = 16068132. Its totient is φ = 16036672.

The previous prime is 16052381. The next prime is 16052411. The reversal of 16052401 is 10425061.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1498176 + 14554225 = 1224^2 + 3815^2 .

It is a cyclic number.

It is not a de Polignac number, because 16052401 - 2⁷ = 16052273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16052411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6220 + ... + 8413.

It is an arithmetic number, because the mean of its divisors is an integer number (4017033).

Almost surely, 2^16052401 is an apocalyptic number.

It is an amenable number.

16052401 is a deficient number, since it is larger than the sum of its proper divisors (15731).

16052401 is a wasteful number, since it uses less digits than its factorization.

16052401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15730.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 16052401 is about 4006.5447707470. The cubic root of 16052401 is about 252.2589982263.

Adding to 16052401 its reverse (10425061), we get a palindrome (26477462).

The spelling of 16052401 in words is "sixteen million, fifty-two thousand, four hundred one".